Detailed Product Description

our compnay could supply the grp manhole cover to you.

Our GRP products are made of:

1)  unsaturated polyester resin(UP) (Iso type resin, vinyl ester resin)

2) glass fiber (E-glass 2400 Tex)

3) quartz

4)  corundum

5) antioxidant

6) firming agent

7)  promoter

8) UV additive

9) ethylene-propylene-diene-monomer

10) Cr13

11) other auxiliary materials

The manhole cover includes round manhole cover and square manhole cover

And Carrying capacity: A15.B125.C250.D400.

The size could as your reqirments!